JavaTM 2 Platform
Standard Ed. 5.0

java.net
Ŭ·¡½º DatagramSocketImpl

java.lang.Object 
  »óÀ§¸¦ È®Àå java.net.DatagramSocketImpl
¸ðµç ±¸ÇöµÈ ÀÎÅÍÆäÀ̽º:
SocketOptions

public abstract class DatagramSocketImpl
extends Object
implements SocketOptions

Ãß»ó µ¥ÀÌÅÍ ±×·¥ ¹× ¸ÖƼ ij½ºÆ® ¼ÒÄÏÀ» ±¸ÇöÇÏ´Â base classÀÔ´Ï´Ù.

µµÀÔµÈ ¹öÀü :
JDK1. 1

ÇÊµå °³¿ä
protected  FileDescriptor fd
          ÆÄÀÏ ±â¼úÀÚ °´Ã¼ÀÔ´Ï´Ù.
protected  int localPort
          ·ÎÄà Æ÷Æ® ¹øÈ£ÀÔ´Ï´Ù.
 
ÀÎÅÍÆäÀ̽º java.net. SocketOptions ·ÎºÎÅÍ »ó¼ÓµÈ Çʵå
IP_MULTICAST_IF, IP_MULTICAST_IF2, IP_MULTICAST_LOOP, IP_TOS, SO_BINDADDR, SO_BROADCAST, SO_KEEPALIVE, SO_LINGER, SO_OOBINLINE, SO_RCVBUF, SO_REUSEADDR, SO_SNDBUF, SO_TIMEOUT, TCP_NODELAY
 
»ý¼ºÀÚ °³¿ä
DatagramSocketImpl ()
           
 
¸Þ¼­µå °³¿ä
protected abstract  void bind (int lport, InetAddress  laddr)
          µ¥ÀÌÅÍ ±×·¥ ¼ÒÄÏÀ» ·ÎÄÃÀÇ Æ÷Æ® ¹× ÁÖ¼Ò¿¡ ¹ÙÀεå ÇÕ´Ï´Ù.
protected abstract  void close ()
          ¼ÒÄÏÀ» ´Ý½À´Ï´Ù.
protected  void connect (InetAddress  address, int port)
          µ¥ÀÌÅÍ ±×·¥ ¼ÒÄÏÀ» ¸®¸ðÆ® Á¢¼Ó ¸ÕÀú Á¢¼ÓÇÕ´Ï´Ù.
protected abstract  void create ()
          µ¥ÀÌÅÍ ±×·¥ ¼ÒÄÏÀ» ÀÛ¼ºÇÕ´Ï´Ù.
protected  void disconnect ()
          ¸®¸ðÆ® Á¢¼Óó·ÎºÎÅÍ µ¥ÀÌÅÍ ±×·¥ ¼ÒÄÏÀ» ¶¼¾î³À´Ï´Ù.
protected  FileDescriptor getFileDescriptor ()
          µ¥ÀÌÅÍ ±×·¥ ¼ÒÄÏÀÇ ÆÄÀÏ ±â¼úÀÚ¸¦ ÃëµæÇÕ´Ï´Ù.
protected  int getLocalPort ()
          ·ÎÄà Æ÷Æ®¸¦ ÃëµæÇÕ´Ï´Ù.
protected abstract  int getTimeToLive ()
          TTL (À¯È¿±â°£) ¿É¼ÇÀ» ÃëµæÇÕ´Ï´Ù.
protected abstract  byte getTTL ()
          ÃßõÇÏÁö ¾Ê½À´Ï´Ù.  ´ë½Å¿¡ getTimeToLive¸¦ »ç¿ëÇØ ÁÖ¼¼¿ä.
protected abstract  void join (InetAddress  inetaddr)
          ¸ÖƼ ij½ºÆ® ±×·ì¿¡ Âü°¡ÇÕ´Ï´Ù.
protected abstract  void joinGroup (SocketAddress  mcastaddr, NetworkInterface  netIf)
          ¸ÖƼ ij½ºÆ® ±×·ì¿¡ Âü°¡ÇÕ´Ï´Ù.
protected abstract  void leave (InetAddress  inetaddr)
          ¸ÖƼ ij½ºÆ® ±×·ìÀ¸·ÎºÎÅÍ ¸Ö¾îÁý´Ï´Ù.
protected abstract  void leaveGroup (SocketAddress  mcastaddr, NetworkInterface  netIf)
          ¸ÖƼ ij½ºÆ® ±×·ìÀ¸·ÎºÎÅÍ ¸Ö¾îÁý´Ï´Ù.
protected abstract  int peek (InetAddress  i)
          ÆÐŶÀ» Á¶»çÇØ, ÆÐŶÀÇ ¼Û½ÅÀÚ¸¦ È®ÀÎÇÕ´Ï´Ù.
protected abstract  int peekData (DatagramPacket  p)
          ÆÐŶÀ» Á¶»çÇØ, ÆÐŶÀÇ ¼Û½ÅÀÚ¸¦ È®ÀÎÇÕ´Ï´Ù.
protected abstract  void receive (DatagramPacket  p)
          µ¥ÀÌÅÍ ±×·¥ ÆÐŶÀ» ¼ö½ÅÇÕ´Ï´Ù.
protected abstract  void send (DatagramPacket  p)
          µ¥ÀÌÅÍ ±×·¥ ÆÐŶÀ» ¼Û½ÅÇÕ´Ï´Ù.
protected abstract  void setTimeToLive (int ttl)
          TTL (À¯È¿±â°£) ¿É¼ÇÀ» ¼³Á¤ÇÕ´Ï´Ù.
protected abstract  void setTTL (byte ttl)
          ÃßõÇÏÁö ¾Ê½À´Ï´Ù.  ´ë½Å¿¡ setTimeToLive¸¦ »ç¿ëÇØ ÁÖ¼¼¿ä.
 
Ŭ·¡½º java.lang. Object ·ÎºÎÅÍ »ó¼ÓµÈ ¸Þ¼­µå
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 
ÀÎÅÍÆäÀ̽º java.net. SocketOptions ·ÎºÎÅÍ »ó¼ÓµÈ ¸Þ¼­µå
getOption, setOption
 

ÇʵåÀÇ »ó¼¼

localPort

protected int localPort
·ÎÄà Æ÷Æ® ¹øÈ£ÀÔ´Ï´Ù.


fd

protected FileDescriptor  fd
ÆÄÀÏ ±â¼úÀÚ °´Ã¼ÀÔ´Ï´Ù.

»ý¼ºÀÚ »ó¼¼

DatagramSocketImpl

public DatagramSocketImpl()
¸Þ¼­µåÀÇ »ó¼¼

create

protected abstract void create()
                        throws SocketException 
µ¥ÀÌÅÍ ±×·¥ ¼ÒÄÏÀ» ÀÛ¼ºÇÕ´Ï´Ù.

¿¹¿Ü:
SocketException - ±âº»ÀÌ µÇ´Â ÇÁ·ÎÅäÄÝ·Î TCP ¿¡·¯µîÀÇ ¿¡·¯°¡ ¹ß»ýÇßÀ» °æ¿ì

bind

protected abstract void bind(int lport,
                             InetAddress  laddr)
                      throws SocketException 
µ¥ÀÌÅÍ ±×·¥ ¼ÒÄÏÀ» ·ÎÄÃÀÇ Æ÷Æ® ¹× ÁÖ¼Ò¿¡ ¹ÙÀεå ÇÕ´Ï´Ù.

ÆĶó¹ÌÅÍ:
lport - ·ÎÄà Æ÷Æ®
laddr - ·ÎÄÃ ÁÖ¼Ò
¿¹¿Ü:
SocketException - ±âº»ÀÌ µÇ´Â ÇÁ·ÎÅäÄÝ·Î TCP ¿¡·¯µîÀÇ ¿¡·¯°¡ ¹ß»ýÇßÀ» °æ¿ì

send

protected abstract void send(DatagramPacket  p)
                      throws IOException 
µ¥ÀÌÅÍ ±×·¥ ÆÐŶÀ» ¼Û½ÅÇÕ´Ï´Ù. ÆÐŶ¿¡´Â µ¥ÀÌÅÍ ¹× ÆÐŶÀÇ ¼Û½ÅÁöÀÇ Ç༱Áö ÁÖ¼Ò°¡ Æ÷ÇԵǾî ÀÖ½À´Ï´Ù.

ÆĶó¹ÌÅÍ:
p - ¼Û½ÅµÇ´Â ÆÐŶ
¿¹¿Ü:
IOException - µ¥ÀÌÅÍ ±×·¥ ÆÐŶÀÇ ¼Û½ÅÁß¿¡ ÀÔÃâ·Â ¿¹¿Ü°¡ ¹ß»ýÇßÀ» °æ¿ì
PortUnreachableException - ÇöÀç µµ´Þ ºÒ°¡´ÉÇÑ Á¢¼Ó ¸ÕÀú ¼ÒÄÏÀÌ Á¢¼ÓµÇ´Â °æ¿ì¿¡ ¹ß»ýµÇ´Â ÀÏÀÌ ÀÖ´Ù. ¿¹¿ÜÀÇ Throw°¡ º¸ÁõµÇ´Â °ÍÀº ¾Æ´Ï´Ù

connect

protected void connect(InetAddress  address,
                       int port)
                throws SocketException 
µ¥ÀÌÅÍ ±×·¥ ¼ÒÄÏÀ» ¸®¸ðÆ® Á¢¼Ó ¸ÕÀú Á¢¼ÓÇÕ´Ï´Ù. ÀÌ°Í¿¡ ÀÇÇØ ¸®¸ðÆ® ÁÖ¼Ò¸¦ ·ÎÄà ¼ÒÄÏ¿¡ °ü·ÃÁö¾î µ¥ÀÌÅÍ ±×·¥ÀÌ ÀÌ Á¢¼Óó¿ÍÀÇ »çÀÌ¿¡¸¸ ¼Û¼ö½Å µÇµµ·Ï ÇÕ´Ï´Ù. ÀÌ Á¢¼ÓÀº ¿À¹ö¶óÀ̵å(override) µÇ¾î ³×ÀÌƼºêÀÎ ½Ã½ºÅÛ Á¢¼ÓÀÌ È£ÃâµÇ´Â °æ¿ì°¡ ÀÖ½À´Ï´Ù.

¼ÒÄÏÀ» Á¢¼ÓÇÏ´Â ¸®¸ðÆ® Á¢¼Óó°¡ Á¸ÀçÇÏÁö ¾Ê´Â°¡ µµ´Þ ºÒ°¡´ÉÀÇ °æ¿ì ¹× ±× ÁÖ¼Ò¿¡ ´ëÇÑ ICMP Àü¼Ûó µµ´Þ ºÒ°¡´É ÆÐŶÀ» ¼ö½ÅÇßÀ» °æ¿ì´Â ÀÌÈÄÀÇ ¼Û½Å ¶Ç´Â ¼ö½Å È£Ãâ·Î PortUnreachableException°¡ ¹ß»ýµÇ´Â ÀÏÀÌ ÀÖ½À´Ï´Ù. ¿¹¿Ü°¡ Throw µÈ´Ù°í ÇÏ´Â º¸ÁõÀÌ ÀÖ´Â °ÍÀº ¾Æ´Õ´Ï´Ù.

ÆĶó¹ÌÅÍ:
address - Á¢¼ÓóÀÇ ¸®¸ðÆ® InetAddress
port - ¸®¸ðÆ® Æ÷Æ® ¹øÈ£
¿¹¿Ü:
SocketException - ¼ÒÄÏÀ» ¸®¸ðÆ® Á¢¼Ó ¸ÕÀú Á¢¼ÓÇÒ ¼ö ¾ø´Â °æ¿ì¿¡ ¹ß»ýµÇ´Â ÀÏÀÌ ÀÖ´Â
µµÀÔµÈ ¹öÀü :
1.4

disconnect

protected void disconnect()
¸®¸ðÆ® Á¢¼Óó·ÎºÎÅÍ µ¥ÀÌÅÍ ±×·¥ ¼ÒÄÏÀ» ¶¼¾î³À´Ï´Ù.

µµÀÔµÈ ¹öÀü :
1.4

peek

protected abstract int peek(InetAddress  i)
                     throws IOException 
ÆÐŶÀ» Á¶»çÇØ, ÆÐŶÀÇ ¼Û½ÅÀÚ¸¦ È®ÀÎÇÕ´Ï´Ù.

ÆĶó¹ÌÅÍ:
i - InetAddress °´Ã¼
¹Ýȯ°ª:
ÆÐŶÀÇ ¼Û½Å¿øÁÖ¼Ò
¿¹¿Ü:
IOException - ÀÔÃâ·Â ¿¹¿Ü°¡ ¹ß»ýÇßÀ» °æ¿ì
PortUnreachableException - ÇöÀç µµ´Þ ºÒ°¡´ÉÇÑ Á¢¼Ó ¸ÕÀú ¼ÒÄÏÀÌ Á¢¼ÓµÇ´Â °æ¿ì¿¡ ¹ß»ýµÇ´Â ÀÏÀÌ ÀÖ´Ù. ¿¹¿ÜÀÇ Throw°¡ º¸ÁõµÇ´Â °ÍÀº ¾Æ´Ï´Ù

peekData

protected abstract int peekData(DatagramPacket  p)
                         throws IOException 
ÆÐŶÀ» Á¶»çÇØ, ÆÐŶÀÇ ¼Û½ÅÀÚ¸¦ È®ÀÎÇÕ´Ï´Ù. µ¥ÀÌÅÍ´Â ¸®Åϵ˴ϴ٠¸¸ »ç¿ëµÇÁö ¾Ê½À´Ï´Ù. µû¶ó¼­, ±× ÈÄÀÇ PeekData ¶Ç´Â ¼ö½Å Á¶ÀÛ¿¡¼­´Â °°Àº µ¥ÀÌÅ͸¦ È®ÀÎÇÕ´Ï´Ù.

ÆĶó¹ÌÅÍ:
p - ¼ö½ÅÇÑ ÆÐŶ
¹Ýȯ°ª:
ÆÐŶÀÇ ¼Û½Å¿øÁÖ¼Ò
¿¹¿Ü:
IOException - ÀÔÃâ·Â ¿¹¿Ü°¡ ¹ß»ýÇßÀ» °æ¿ì
PortUnreachableException - ÇöÀç µµ´Þ ºÒ°¡´ÉÇÑ Á¢¼Ó ¸ÕÀú ¼ÒÄÏÀÌ Á¢¼ÓµÇ´Â °æ¿ì¿¡ ¹ß»ýµÇ´Â ÀÏÀÌ ÀÖ´Ù. ¿¹¿ÜÀÇ Throw°¡ º¸ÁõµÇ´Â °ÍÀº ¾Æ´Ñ
µµÀÔµÈ ¹öÀü :
1.4

receive

protected abstract void receive(DatagramPacket  p)
                         throws IOException 
µ¥ÀÌÅÍ ±×·¥ ÆÐŶÀ» ¼ö½ÅÇÕ´Ï´Ù.

ÆĶó¹ÌÅÍ:
p - ¼ö½ÅÇÑ ÆÐŶ
¿¹¿Ü:
IOException - µ¥ÀÌÅÍ ±×·¥ ÆÐŶÀÇ ¼ö½ÅÁß¿¡ ÀÔÃâ·Â ¿¹¿Ü°¡ ¹ß»ýÇßÀ» °æ¿ì
PortUnreachableException - ÇöÀç µµ´Þ ºÒ°¡´ÉÇÑ Á¢¼Ó ¸ÕÀú ¼ÒÄÏÀÌ Á¢¼ÓµÇ´Â °æ¿ì¿¡ ¹ß»ýµÇ´Â ÀÏÀÌ ÀÖ´Ù. ¿¹¿ÜÀÇ Throw°¡ º¸ÁõµÇ´Â °ÍÀº ¾Æ´Ï´Ù

setTTL

@Deprecated 
protected abstract void setTTL(byte ttl)
                        throws IOException 
ÃßõÇÏÁö ¾Ê½À´Ï´Ù.  ´ë½Å¿¡ setTimeToLive¸¦ »ç¿ëÇØ ÁÖ¼¼¿ä.

TTL (À¯È¿±â°£) ¿É¼ÇÀ» ¼³Á¤ÇÕ´Ï´Ù.

ÆĶó¹ÌÅÍ:
ttl - TTL Ä¡¸¦ ÁöÁ¤ÇÏ´Â ¹ÙÀÌÆ®
¿¹¿Ü:
IOException - À¯È¿±â°£ ¿É¼ÇÀ» ¼³Á¤Áß¿¡ ÀÔÃâ·Â ¿¹¿Ü°¡ ¹ß»ýÇßÀ» °æ¿ì
°ü·Ã Ç׸ñ:
getTTL()

getTTL

@Deprecated 
protected abstract byte getTTL()
                        throws IOException 
ÃßõÇÏÁö ¾Ê½À´Ï´Ù.  ´ë½Å¿¡ getTimeToLive¸¦ »ç¿ëÇØ ÁÖ¼¼¿ä.

TTL (À¯È¿±â°£) ¿É¼ÇÀ» ÃëµæÇÕ´Ï´Ù.

¹Ýȯ°ª:
TTL Ä¡¸¦ ³ªÅ¸³»´Â ¹ÙÀÌÆ®
¿¹¿Ü:
IOException - À¯È¿±â°£ ¿É¼ÇÀ» ÃëµæÁß¿¡ ÀÔÃâ·Â ¿¹¿Ü°¡ ¹ß»ýÇßÀ» °æ¿ì
°ü·Ã Ç׸ñ:
setTTL(byte)

setTimeToLive

protected abstract void setTimeToLive(int ttl)
                               throws IOException 
TTL (À¯È¿±â°£) ¿É¼ÇÀ» ¼³Á¤ÇÕ´Ï´Ù.

ÆĶó¹ÌÅÍ:
ttl - À¯È¿±â°£Ä¡¸¦ ÁöÁ¤ÇÏ´Â int
¿¹¿Ü:
IOException - À¯È¿±â°£ ¿É¼ÇÀ» ¼³Á¤Áß¿¡ ÀÔÃâ·Â ¿¹¿Ü°¡ ¹ß»ýÇßÀ» °æ¿ì
°ü·Ã Ç׸ñ:
getTimeToLive()

getTimeToLive

protected abstract int getTimeToLive()
                              throws IOException 
TTL (À¯È¿±â°£) ¿É¼ÇÀ» ÃëµæÇÕ´Ï´Ù.

¹Ýȯ°ª:
À¯È¿±â°£Ä¡¸¦ ³ªÅ¸³»´Â int
¿¹¿Ü:
IOException - À¯È¿±â°£ ¿É¼ÇÀ» ÃëµæÁß¿¡ ÀÔÃâ·Â ¿¹¿Ü°¡ ¹ß»ýÇßÀ» °æ¿ì
°ü·Ã Ç׸ñ:
setTimeToLive(int)

join

protected abstract void join(InetAddress  inetaddr)
                      throws IOException 
¸ÖƼ ij½ºÆ® ±×·ì¿¡ Âü°¡ÇÕ´Ï´Ù.

ÆĶó¹ÌÅÍ:
inetaddr - Âü°¡¿¡ »ç¿ëÇÏ´Â ÁÖ¼Ò
¿¹¿Ü:
IOException - ¸ÖƼ ij½ºÆ® ±×·ìÀÇ Âü°¡Áß¿¡ ÀÔÃâ·Â ¿¹¿Ü°¡ ¹ß»ýÇßÀ» °æ¿ì

leave

protected abstract void leave(InetAddress  inetaddr)
                       throws IOException 
¸ÖƼ ij½ºÆ® ±×·ìÀ¸·ÎºÎÅÍ ¸Ö¾îÁý´Ï´Ù.

ÆĶó¹ÌÅÍ:
inetaddr - ¶³¾îÁö´Â ¸ÖƼ ij½ºÆ® ÁÖ¼Ò
¿¹¿Ü:
IOException - ¸ÖƼ ij½ºÆ® ±×·ìÀÇ Åð°ÅÁß¿¡ ÀÔÃâ·Â ¿¹¿Ü°¡ ¹ß»ýÇßÀ» °æ¿ì

joinGroup

protected abstract void joinGroup(SocketAddress  mcastaddr,
                                  NetworkInterface  netIf)
                           throws IOException 
¸ÖƼ ij½ºÆ® ±×·ì¿¡ Âü°¡ÇÕ´Ï´Ù.

ÆĶó¹ÌÅÍ:
mcastaddr - Âü°¡¿¡ »ç¿ëÇÏ´Â ÁÖ¼Ò
netIf - ¸ÖƼ ij½ºÆ® µ¥ÀÌÅÍ ±×·¥ ÆÐŶÀ» ¼ö½ÅÇÏ´Â ·ÎÄà ÀÎÅÍÆäÀ̽º¸¦ ÁöÁ¤
¿¹¿Ü:
IOException - ¸ÖƼ ij½ºÆ® ±×·ìÀÇ Âü°¡Áß¿¡ ÀÔÃâ·Â ¿¹¿Ü°¡ ¹ß»ýÇßÀ» °æ¿ì
µµÀÔµÈ ¹öÀü :
1.4

leaveGroup

protected abstract void leaveGroup(SocketAddress  mcastaddr,
                                   NetworkInterface  netIf)
                            throws IOException 
¸ÖƼ ij½ºÆ® ±×·ìÀ¸·ÎºÎÅÍ ¸Ö¾îÁý´Ï´Ù.

ÆĶó¹ÌÅÍ:
mcastaddr - ¶³¾îÁö´Â ÁÖ¼Ò
netIf - ±×·ìÀ» ¶°³ª´Â ·ÎÄà ÀÎÅÍÆäÀ̽º¸¦ ÁöÁ¤
¿¹¿Ü:
IOException - ¸ÖƼ ij½ºÆ® ±×·ìÀÇ Åð°ÅÁß¿¡ ÀÔÃâ·Â ¿¹¿Ü°¡ ¹ß»ýÇßÀ» °æ¿ì
µµÀÔµÈ ¹öÀü :
1.4

close

protected abstract void close()
¼ÒÄÏÀ» ´Ý½À´Ï´Ù.


getLocalPort

protected int getLocalPort()
·ÎÄà Æ÷Æ®¸¦ ÃëµæÇÕ´Ï´Ù.

¹Ýȯ°ª:
·ÎÄà Æ÷Æ®ÀÇ °ªÀ» ³ªÅ¸³»´Â int

getFileDescriptor

protected FileDescriptor  getFileDescriptor()
µ¥ÀÌÅÍ ±×·¥ ¼ÒÄÏÀÇ ÆÄÀÏ ±â¼úÀÚ¸¦ ÃëµæÇÕ´Ï´Ù.

¹Ýȯ°ª:
µ¥ÀÌÅÍ ±×·¥ ¼ÒÄÏÀÇ ÆÄÀÏ ±â¼úÀÚ¸¦ ³ªÅ¸³»´Â FileDescriptor °´Ã¼

JavaTM 2 Platform
Standard Ed. 5.0

Copyright 2004 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms . Documentation Redistribution Policy µµ ÂüÁ¶ÇϽʽÿÀ.